Offered in coarse, medium, and fine grits, Megabrite(TM) Type 27 all-purpose abrasive wheels are designed for light grinding, blending, and polishing applications on stainless, mild steel, and aluminum. They are suited for edge breaking, light de-burring, weld surface preparation; scale-, rust-, flash-, and blemish-removal; and preparation for painting. Smooth-running, quiet wheels are available with or without hubs.